tests: Add tests for sys.settrace feature.

7 files changed, 577 insertions, 0 deletions

diff --git a/tests/misc/sys_settrace_features.py b/tests/misc/sys_settrace_features.py
new file mode 100644
index 000000000..932e430de
--- /dev/null
+++ b/tests/misc/sys_settrace_features.py
@@ -0,0 +1,91 @@
+import sys
+
+try:
+    sys.settrace
+except AttributeError:
+    print("SKIP")
+    raise SystemExit
+
+def print_stacktrace(frame, level=0):
+    # Ignore CPython specific helpers.
+    if frame.f_globals['__name__'].find('importlib') != -1:
+        print_stacktrace(frame.f_back, level)
+        return
+
+    print("%2d: %s@%s:%s => %s:%d" % (
+        level, "  ",
+        frame.f_globals['__name__'],
+        frame.f_code.co_name,
+        # reduce full path to some pseudo-relative
+        'misc' + ''.join(frame.f_code.co_filename.split('tests/misc')[-1:]),
+        frame.f_lineno,
+    ))
+
+    if frame.f_back:
+        print_stacktrace(frame.f_back, level + 1)
+
+class _Prof:
+    trace_count = 0;
+
+    def trace_tick(self, frame, event, arg):
+        self.trace_count += 1
+        print_stacktrace(frame)
+
+__prof__ = _Prof()
+
+alice_handler_set = False
+def trace_tick_handler_alice(frame, event, arg):
+    print("### trace_handler::Alice event:", event)
+    __prof__.trace_tick(frame, event, arg)
+    return trace_tick_handler_alice
+
+bob_handler_set = False
+def trace_tick_handler_bob(frame, event, arg):
+    print("### trace_handler::Bob event:", event)
+    __prof__.trace_tick(frame, event, arg)
+    return trace_tick_handler_bob
+
+def trace_tick_handler(frame, event, arg):
+    # Ignore CPython specific helpers.
+    if frame.f_globals['__name__'].find('importlib') != -1:
+        return
+
+    print("### trace_handler::main event:", event)
+    __prof__.trace_tick(frame, event, arg)
+
+    if frame.f_code.co_name != 'factorial':
+        return trace_tick_handler
+
+    global alice_handler_set
+    if event == 'call' and not alice_handler_set:
+        alice_handler_set = True
+        return trace_tick_handler_alice
+
+    global bob_handler_set
+    if event == 'call' and not bob_handler_set:
+        bob_handler_set = True
+        return trace_tick_handler_bob
+
+    return trace_tick_handler
+
+def factorial(n):
+    if n == 0:
+        return 1
+    else:
+        return n * factorial(n - 1)
+
+def do_tests():
+    # These commands are here to demonstrate some execution being traced.
+    print("Who loves the sun?")
+    print("Not every-", factorial(3))
+
+    from sys_settrace_subdir import trace_generic
+    trace_generic.run_tests()
+    return
+
+sys.settrace(trace_tick_handler)
+do_tests()
+sys.settrace(None)
+
+print("\n------------------ script exited ------------------")
+print("Total traces executed: ", __prof__.trace_count)
diff --git a/tests/misc/sys_settrace_generator.py b/tests/misc/sys_settrace_generator.py
new file mode 100644
index 000000000..e955d6b62
--- /dev/null
+++ b/tests/misc/sys_settrace_generator.py
@@ -0,0 +1,62 @@
+# test sys.settrace with generators
+
+import sys
+
+try:
+    sys.settrace
+except AttributeError:
+    print("SKIP")
+    raise SystemExit
+
+def print_stacktrace(frame, level=0):
+    print("%2d: %s@%s:%s => %s:%d" % (
+        level, "  ",
+        frame.f_globals['__name__'],
+        frame.f_code.co_name,
+        # reduce full path to some pseudo-relative
+        'misc' + ''.join(frame.f_code.co_filename.split('tests/misc')[-1:]),
+        frame.f_lineno,
+    ))
+
+    if frame.f_back:
+        print_stacktrace(frame.f_back, level + 1)
+
+trace_count = 0
+
+def trace_tick_handler(frame, event, arg):
+    global trace_count
+    print("### trace_handler::main event:", event)
+    trace_count += 1
+    print_stacktrace(frame)
+    return trace_tick_handler
+
+def test_generator():
+    def make_gen():
+        yield 1<<0
+        yield 1<<1
+        yield 1<<2
+        return 1<<3
+
+    gen = make_gen()
+    r = 0
+    try:
+
+        r += gen.send(None)
+
+        while True:
+
+            r += gen.send(None)
+
+    except StopIteration as e:
+        print("test_generator", r, e)
+
+    gen = make_gen()
+    r = 0
+    for i in gen:
+        r += i
+    print(r)
+
+sys.settrace(trace_tick_handler)
+test_generator()
+sys.settrace(None)
+print("Total traces executed: ", trace_count)
diff --git a/tests/misc/sys_settrace_generator.py.exp b/tests/misc/sys_settrace_generator.py.exp
new file mode 100644
index 000000000..5329cdfe7
--- /dev/null
+++ b/tests/misc/sys_settrace_generator.py.exp
@@ -0,0 +1,195 @@
+### trace_handler::main event: call
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:33
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:34
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:40
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:41
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:42
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:44
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: call
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:34
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:44
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:35
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:44
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: return
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:35
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:44
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:48
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: call
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:35
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:48
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:35
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:48
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:36
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:48
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: return
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:36
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:48
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: call
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:36
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:48
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:36
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:48
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:37
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:48
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: return
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:37
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:48
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: call
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:37
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:48
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:37
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:48
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:38
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:48
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: return
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:38
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:48
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: exception
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:48
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:50
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:51
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+test_generator 7 8
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:53
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:54
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: call
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:34
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:35
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: return
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:35
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:56
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: call
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:35
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:35
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:36
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: return
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:36
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:56
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: call
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:36
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:36
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:37
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: return
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:37
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:56
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: call
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:37
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:37
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:38
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: return
+ 0:   @__main__:make_gen => miscmisc/sys_settrace_generator.py:38
+ 1:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:55
+ 2:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+### trace_handler::main event: line
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:57
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+7
+### trace_handler::main event: return
+ 0:   @__main__:test_generator => miscmisc/sys_settrace_generator.py:57
+ 1:   @__main__:<module> => miscmisc/sys_settrace_generator.py:60
+Total traces executed:  54
diff --git a/tests/misc/sys_settrace_loop.py b/tests/misc/sys_settrace_loop.py
new file mode 100644
index 000000000..9ae0f41a1
--- /dev/null
+++ b/tests/misc/sys_settrace_loop.py
@@ -0,0 +1,51 @@
+# test sys.settrace with while and for loops
+
+import sys
+
+try:
+    sys.settrace
+except AttributeError:
+    print("SKIP")
+    raise SystemExit
+
+def print_stacktrace(frame, level=0):
+    print("%2d: %s@%s:%s => %s:%d" % (
+        level, "  ",
+        frame.f_globals['__name__'],
+        frame.f_code.co_name,
+        # reduce full path to some pseudo-relative
+        'misc' + ''.join(frame.f_code.co_filename.split('tests/misc')[-1:]),
+        frame.f_lineno,
+    ))
+
+    if frame.f_back:
+        print_stacktrace(frame.f_back, level + 1)
+
+trace_count = 0
+
+def trace_tick_handler(frame, event, arg):
+    global trace_count
+    print("### trace_handler::main event:", event)
+    trace_count += 1
+    print_stacktrace(frame)
+    return trace_tick_handler
+
+def test_loop():
+    # for loop
+    r = 0
+    for i in range(3):
+        r += i
+    print("test_for_loop", r)
+
+    # while loop
+    r = 0
+    i = 0
+    while i < 3:
+        r += i
+        i += 1
+    print("test_while_loop", i)
+
+sys.settrace(trace_tick_handler)
+test_loop()
+sys.settrace(None)
+print("Total traces executed: ", trace_count)
diff --git a/tests/misc/sys_settrace_loop.py.exp b/tests/misc/sys_settrace_loop.py.exp
new file mode 100644
index 000000000..3d3da5b6f
--- /dev/null
+++ b/tests/misc/sys_settrace_loop.py.exp
@@ -0,0 +1,72 @@
+### trace_handler::main event: call
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:33
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:35
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:36
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:37
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:36
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:37
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:36
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:37
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:36
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:37
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:38
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+test_for_loop 3
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:41
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:42
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:43
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:45
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:44
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:45
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:44
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:45
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:44
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:45
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+### trace_handler::main event: line
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:46
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+test_while_loop 3
+### trace_handler::main event: return
+ 0:   @__main__:test_loop => miscmisc/sys_settrace_loop.py:46
+ 1:   @__main__:<module> => miscmisc/sys_settrace_loop.py:49
+Total traces executed:  23
diff --git a/tests/misc/sys_settrace_subdir/trace_generic.py b/tests/misc/sys_settrace_subdir/trace_generic.py
new file mode 100644
index 000000000..3239a019c
--- /dev/null
+++ b/tests/misc/sys_settrace_subdir/trace_generic.py
@@ -0,0 +1,82 @@
+print("Now comes the language constructions tests.")
+
+# function
+def test_func():
+    def test_sub_func():
+        print("test_function")
+
+    test_sub_func()
+
+# closure
+def test_closure(msg):
+
+    def make_closure():
+        print(msg)
+
+    return make_closure
+
+# exception
+def test_exception():
+    try:
+        raise Exception("test_exception")
+
+    except Exception:
+        pass
+    
+    finally:
+        pass
+
+# listcomp
+def test_listcomp():
+    print("test_listcomp", [x for x in range(3)])
+
+# lambda
+def test_lambda():
+    func_obj_1 = lambda a, b: a + b
+    print(func_obj_1(10, 20))
+
+# import
+def test_import():
+    from sys_settrace_subdir import trace_importme
+    trace_importme.dummy()
+    trace_importme.saysomething()
+
+# class
+class TLClass():
+    def method():
+        pass
+    pass
+
+def test_class():
+    class TestClass:
+        __anynum = -9
+        def method(self):
+            print("test_class_method")
+            self.__anynum += 1
+        
+        def prprty_getter(self):
+            return self.__anynum
+        
+        def prprty_setter(self, what):
+            self.__anynum = what
+
+        prprty = property(prprty_getter, prprty_setter)
+
+    cls = TestClass()
+    cls.method()
+    print("test_class_property", cls.prprty)
+    cls.prprty = 12
+    print("test_class_property", cls.prprty)
+
+
+def run_tests():
+    test_func()
+    test_closure_inst = test_closure("test_closure")
+    test_closure_inst()
+    test_exception()
+    test_listcomp()
+    test_lambda()
+    test_class()
+    test_import()
+
+print("And it's done!")
diff --git a/tests/misc/sys_settrace_subdir/trace_importme.py b/tests/misc/sys_settrace_subdir/trace_importme.py
new file mode 100644
index 000000000..0ff7c6d5b
--- /dev/null
+++ b/tests/misc/sys_settrace_subdir/trace_importme.py
@@ -0,0 +1,24 @@
+print("Yep, I got imported.")
+
+try:
+    x = const(1)
+except NameError:
+    print('const not defined')
+
+const = lambda x: x
+
+_CNT01 = "CONST01"
+_CNT02 = const(123)
+A123 = const(123)
+a123 = const(123)
+
+def dummy():
+    return False
+
+def saysomething():
+    print("There, I said it.")
+
+def neverexecuted():
+    print("Never got here!")
+
+print("Yep, got here")